Erectile Dysfunction
Erectile dysfunction (ED) is a common condition that can affect sexual confidence and wellbeing. It can result from physical, psychological, or lifestyle factors.
We offer a range of trusted UK-licensed brands, including Viagra, Tadalafil, Spedra, and Levitra.
Through 123Meds, you can receive expert-approved treatments for erectile dysfunction via our UK-registered online pharmacy service, with prescriptions reviewed by clinicians and delivered discreetly straight to your door.

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Erectile dysfunction (ED) is when a man is unable to get or maintain an erection firm enough for satisfying sex. It can be a distressing condition that affects both confidence and relationships.
ED is common—over half of men will experience it at some point, and around 1 in 4 men under 40 are affected to some degree.
Finding the cause of ED is important. In some cases, lifestyle changes or treating underlying health issues can help. If not, safe and effective treatments are available to help you regain control and confidence.
An erection happens when blood flows into the penis through relaxed blood vessels and is then trapped to maintain firmness. Once arousal ends, the vessels open again, and the blood flows out.
Erectile dysfunction can be caused by a range of factors, which are generally grouped into two main categories: physical and psychological.
1. Narrowed Blood Vessels
Conditions like high blood pressure, high cholesterol, heart disease, and diabetes can reduce blood flow and lead to ED. In some cases, ED may be an early sign of these conditions. If you're over 40, it's worth speaking to your doctor for a full health check and blood tests.
2. Lifestyle Factors
Poor diet, lack of exercise, smoking, and heavy alcohol use all increase the risk of ED. Making healthy changes may improve or even resolve symptoms.
3. Age
As men get older, the risk of ED increases due to age-related changes like reduced testosterone and higher chances of conditions such as high blood pressure or cholesterol.
4. Medications
Some medicines—such as those for depression, high blood pressure, or hair loss—can affect blood flow or libido, causing ED. Always speak to your doctor before stopping any prescribed treatment.
5. Psychological Causes
Mental health plays a key role.
- Depression and anxiety are common contributors to ED. If you think you may be struggling, speak to your doctor.
- Stress, whether short or long-term, can also impact your ability to maintain an erection. In many cases, symptoms improve once the underlying issue is addressed. Counselling or treatment may help.
Injectable and Inserted Drugs for ED
Caverject (Alprostadil) is a drug made by the same company that came up with the original ED treatment, Viagra. Caverject is an injection into the penis. For obvious reasons, this is not the most popular option due to peoples general discomfort around injections, however, it is proven to work significantly faster than the tablet options, only taking around 5-15 minutes to work.
Penis Vacuum Pump Devices
Another alternative to using medication are penis pumps. These can be a little intimidating to use, however they do produce results. For men who are unable to get an erection, a penis pump can be an incredibly effective solution.
They work by creating a vacuum around the penis. This vacuum effect then encourages blood flow into the penis and results in an erection.
Once erect, a ring can be used at the base of the penis to help maintain the erection. Satisfaction with the results vary. Studies show between 50-80% of men are happy with the outcome of using this type of device.
Penile Implants
A penile implant is a device that is surgically placed into the genitals that can be semi-rigid or adjustable for hardening. These devices are quite invasive and are only used in patients who cannot use other treatments, leaving them as the only option for treating erectile dysfunction.
Lifestyle Changes to Improve Erectile Dysfunction
Diet
Addressing eating habits can also impact your impotence issues. Obese men are approximately 2.5 times more likely to suffer from ED than men who have a normal BMI. Not only will losing weight potentially help your ED, but also reduce your risks of cardiovascular disease.
Alcohol
Reducing alcohol and illicit drug intake may positively affect your ability to achieve an erection. Both can interrupt arousal signals from the brain to the body resulting in ED. Talk to your doctor for more ways to decrease consumption of these substances if you believe they may be affecting your sexual health.
Smoking
Smoking can result in damage to your blood vessels. The resulting poor blood supply to the penis can cause erectile dysfunction. Stopping smoking improves vascular health which often results in improved sexual performance.
Pelvic floor exercises
Pelvic floor exercises, also known as Kegels, result in the strengthening of the muscles around the penis. Strengthening muscles around the penis can improve blood flow which improves erectile function.
Stress
Stress has been shown to also impact a man’s ability to achieve an erection. This can be both general stress levels, and anxiety specifically associated with sexual performance. Addressing your stress levels directly, or with the help of a psychologist, can be massively impactful for both ED and your overall health.
What is erectile dysfunction (ED)?
Erectile dysfunction, also known as impotence, is the inability to achieve or maintain an erection firm enough for sexual activity. It’s a common condition, particularly in men over 40, and can occur occasionally or more frequently.
What causes erectile dysfunction?
Erectile dysfunction can be caused by a range of physical and psychological factors. Common physical causes include reduced blood flow linked to heart disease, diabetes, high blood pressure or high cholesterol. Psychological factors such as stress, anxiety or depression can also play a role. Hormonal imbalances, side effects from certain medications, and lifestyle factors including smoking, alcohol use and lack of exercise may contribute as well.
Is erectile dysfunction a normal part of ageing?
While ED becomes more common with age, it is not an inevitable part of ageing. It may indicate an underlying health issue that can often be treated.
What treatments are available for ED?
The most common and effective treatments are oral medicines called PDE5 inhibitors, which work by increasing blood flow to the penis. These include sildenafil (Viagra), tadalafil (Cialis), vardenafil (Levitra) and avanafil (Spedra). Alongside medication, lifestyle changes such as improving diet, exercising regularly and reducing alcohol or smoking can make a big difference. Counselling and treatment of any underlying health conditions may also help improve erectile function.
Do I need a prescription for ED medication?
Yes. In the UK, most ED treatments require a prescription. At 123Meds, you can complete a short online consultation, and if suitable, one of our UK-registered prescribers will issue a prescription for home delivery.
How quickly do ED medications work?
The time it takes for erectile dysfunction tablets to work depends on the medication. Sildenafil (Viagra) and vardenafil (Levitra) usually take effect within 30–60 minutes. Tadalafil (Cialis) can start working in as little as 30 minutes and may last for up to 36 hours. Avanafil (Spedra) is the fastest-acting option, often working within 15–30 minutes.
Are ED tablets safe to use?
They are generally safe for most men, but not suitable if you take nitrates (for chest pain) or certain blood pressure medications. Always disclose your full medical history in your consultation.
Can ED be a sign of something more serious?
Yes. ED can sometimes be an early warning sign of heart disease, diabetes, or other health problems. It’s a good idea to speak to your GP, especially if symptoms are new or worsening.
Will ED medication cause an erection without arousal?
No. ED medications only work when you are sexually aroused — they enhance natural responses, they don’t cause spontaneous erections.
Is treatment for ED available discreetly?
Absolutely. At 123Meds, all consultations and deliveries are handled discreetly, with medication sent in plain packaging for your privacy.
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